export default "precision highp float;\n\nattribute vec2 a_Position;\nattribute vec2 a_TexCoord;\n\nvarying vec2 v_TexCoord;\n\nvoid main() {\n    gl_Position = vec4(a_Position, 0.0, 1.0);\n    v_TexCoord = a_TexCoord;\n}\n";